Precision Low Profile TO-8 EY Crystal 2111 Comprehensive Drive Aurora, Illinois 60505 Phone: 630-851-4722 Fax: 630-851-5040 www.conwin.com US Headquarters 630-851-4722: European Headquarters: +353-61-472221 Description Features Connor-Winfield’s precision EY crystals are designed for high frequency stability ovenized applications. The EY crystals are capable of achieving <5ppb/°C at turning point. The low profile coldweld package allows for very low aging performance in a reduced size. Model: 37430-xxxx-Series Frequency Range: 8.192 to 32 MHz Frequency Calibration @ 100°C: +/-1.0ppm Aging: ppb / Day Package: TO-8, 0.200” High Designed for -40 to 85°C Ovenized Applications RoHS Compliant / Lead Free General Specifications ABSOLUTE MAXIMUM RATINGS PARAMETER TABLE 1.0 UNITS MINIMUM Storage Temperature NOMINAL MAXIMUM -55 - UNITS 105 ELECTRICAL SPECIFICATIONS TABLE 2.0 PARAMETER MINIMUM Center Frequency Frequency Calibration @ 85ºC NOTE °C (Fo) Lower Turning Point NOMINAL MAXIMUM UNITS NOTE See Table 4 8.192 -1.0 - 32.0 1.0 MHz ppm 93 - 105 °C - 100 °C 5 pF Inflection Temperature - 3rd Overtone Mode Shunt Capacitance - - Equivalent Series Resistance (ESR) - See Table 4 Load Capacitance - 20 - pF Drive Level - - 100 u Watts Aging 0.5ppb / Day Q: Dependant on Frequency PACKAGE CHARACTERISTICS Package Leak Rate Marking Frequency Range 8.192 MHz to 9.999 MHz 10 MHz to 12.999 MHz 13 MHz to 19.999 MHz 20 MHz to 32 MHz TABLE 3.0 Hermetically Sealed Cold welded HC-37/u (TO-8) Package. 0.01ppm atm. cc/sec. maximum Marking consists of a serial number label with 5 digits followed by a letter to provide correlation between the serial number and the turning point data. Equivalent Series Resistance (ESR) 90 Ohms 85 Ohms 80 Ohms 75 Ohms Package Outline Pin Connections 0.600 (15.24mm) 0.506 (12.85mm) 0.010 R (0.25mm) TABLE 4.0 Frequency Calibration @ 85ºC +/-1ppm +/-1ppm +/-1ppm +/-2ppm Solder Profile Temperature 260°C 260°C 3 220°C 180°C 0.200 Max. (5.08mm Max.) 0.015 (0.38mm) Max. 0.010 (0.25mm) Typ. (Glass Meniscus) 2 4 150°C 120°C 1 0.630 (16.00mm) 0.600 (15.24mm) 5 0 0.019 (0.48mm) 0.016 (0.40mm) Typ. 5 Places 0.282 P.C. (7.16mm ) Bulletin Xt234 Page 1 of 1 Revision Date 00 04 Aug 2008 Pin 1 2 3 4 5 0.031 45° (0.79mm ) 0.032 (0.81mm ) 120 S Max. Bottom View Connection Case Crystal Connection N/C Crystal Connection N/C Time 10 S 60 S Max. 360 Sec. Max. Part Number 37430 - xxxx - xxx.xM TO-8 EY Cut 0.450 Dia. (11.43mm ) (Reference only) Specifications subject to change without notice. All dimensions in inches. © Copyright 2008 The Connor-Winfield Corporation Specification (CW Assigned) Frequency (Mhz)